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Add support to the StackWalker for resolving symbols, using a

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caller-implemented SymbolSupplier object to get a symbol file.

Add a CrashReportProcessor object which provides a simple API for processing
a CrashReport struct, given a SymbolSupplier and a minidump file.

r=mmentovai (#17))


git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@18 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
bryner 2006-09-08 02:35:53 +00:00
parent 39716226cf
commit d5e66382d1
17 changed files with 14492 additions and 3332 deletions
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25
src/processor/stackwalker.h
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@ -36,24 +36,31 @@ namespace google_airbag {
class MinidumpModuleList;
class SymbolSupplier;
struct CrashReport;
class Stackwalker {
public:
virtual ~Stackwalker() {}
// Produces a vector of StackFrames by calling GetContextFrame and
// Fills the given vector of StackFrames by calling GetContextFrame and
// GetCallerFrame, and populating the returned frames with module
// offset and name information if possible. The caller takes ownership
// of the StackFrames object and is responsible for freeing it.
StackFrames* Walk();
// offset and name information if possible.
void Walk(StackFrames *frames);
protected:
// memory identifies a MemoryRegion that provides the stack memory
// for the stack to walk. modules, if non-NULL, is a MinidumpModuleList
// that is used to look up which code module each stack frame is
// associated with.
Stackwalker(MemoryRegion* memory, MinidumpModuleList* modules);
// associated with. supplier is an optional caller-supplied SymbolSupplier
// implementation. If supplier is NULL, source line info will not be
// resolved. The CrashReport object will be passed to the SymbolSupplier's
// GetSymbolFile method.
Stackwalker(MemoryRegion* memory,
MinidumpModuleList* modules,
SymbolSupplier* supplier,
const CrashReport* report);
// The stack memory to walk. Subclasses will require this region to
// get information from the stack.
@ -74,6 +81,12 @@ class Stackwalker {
// A list of modules, for populating each StackFrame's module information.
// This field is optional and may be NULL.
MinidumpModuleList* modules_;
// The optional SymbolSupplier for resolving source line info.
SymbolSupplier* supplier_;
// The CrashReport object which is passed to the SymbolSupplier. May be null.
const CrashReport* report_;
};